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KMID : 0978920120130040229
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Korean Journal of Clinical Geriatrics
2012 Volume.13 No. 4 p.229 ~ p.233
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A Case of Non-Convulsive Status Epilepticus Mimicking Hypoxic Brain Damage
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Park Hyung-Eun
Cho Hyun-Ji
Kim Young-Do
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Abstract
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Epileptic activity can cause regional vasogenic/cytotoxic edema that reflects hemodynamic and metabolic changes. However, extensive hemispheric involvements on magnetic resonance imaging (MRI) after status epilepticus (SE) were very rare. A 63-year-old man admitted to our hospital due to semicoma mental status duration about 10 hours. He had respiratory difficulty, so that he needs to care ventilator. MRI on 6th hospital day showed extensive high signal intensities on diffusion-weighted MRI (DWI) in both hemispheres resembling hypoxic brain lesions. Whereas, EEG showed epileptic discharges associated with generalized slowing waves. Follow-up MRI on 14th hospital day showed regression of previous brain lesions. Therefore, he was diagnosed as decreased mental status due to SE. This case reminded us that post-ictal MRI of SE might be ischemic lesion mimic. Therefore, we should consider DWI of cytotoxic edema after SE.
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KEYWORD
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Status epilepticus, Diffusion-weighted magnetic resonance imaging, Hypoxic brain damage
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